// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_RENDERER_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_
#define CONTENT_RENDERER_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_

#include <memory>
#include <string>
#include <vector>

#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/sequenced_task_runner_helpers.h"
#include "ppapi/c/pp_var.h"
#include "third_party/WebKit/public/web/WebPlugin.h"
#include "ui/gfx/geometry/rect.h"

namespace blink {
struct WebPluginParams;
struct WebPrintParams;
}

namespace content {

class PepperPluginInstanceImpl;
class PluginInstanceThrottlerImpl;
class PluginModule;
class RenderFrameImpl;

class PepperWebPluginImpl : public blink::WebPlugin {
public:
    PepperWebPluginImpl(PluginModule* module,
        const blink::WebPluginParams& params,
        RenderFrameImpl* render_frame,
        std::unique_ptr<PluginInstanceThrottlerImpl> throttler);

    PepperPluginInstanceImpl* instance() { return instance_.get(); }

    // blink::WebPlugin implementation.
    blink::WebPluginContainer* container() const override;
    bool initialize(blink::WebPluginContainer* container) override;
    void destroy() override;
    v8::Local<v8::Object> v8ScriptableObject(v8::Isolate* isolate) override;
    void updateAllLifecyclePhases() override { }
    void paint(blink::WebCanvas* canvas, const blink::WebRect& rect) override;
    void updateGeometry(const blink::WebRect& window_rect,
        const blink::WebRect& clip_rect,
        const blink::WebRect& unobscured_rect,
        const blink::WebVector<blink::WebRect>& cut_outs_rects,
        bool is_visible) override;
    void updateFocus(bool focused, blink::WebFocusType focus_type) override;
    void updateVisibility(bool visible) override;
    blink::WebInputEventResult handleInputEvent(
        const blink::WebInputEvent& event,
        blink::WebCursorInfo& cursor_info) override;
    void didReceiveResponse(const blink::WebURLResponse& response) override;
    void didReceiveData(const char* data, int data_length) override;
    void didFinishLoading() override;
    void didFailLoading(const blink::WebURLError&) override;
    bool hasSelection() const override;
    blink::WebString selectionAsText() const override;
    blink::WebString selectionAsMarkup() const override;
    blink::WebURL linkAtPosition(const blink::WebPoint& position) const override;
    bool getPrintPresetOptionsFromDocument(
        blink::WebPrintPresetOptions* preset_options) override;
    bool startFind(const blink::WebString& search_text,
        bool case_sensitive,
        int identifier) override;
    void selectFindResult(bool forward, int identifier) override;
    void stopFind() override;
    bool supportsPaginatedPrint() override;
    bool isPrintScalingDisabled() override;

    int printBegin(const blink::WebPrintParams& print_params) override;
    void printPage(int page_number, blink::WebCanvas* canvas) override;
    void printEnd() override;

    bool canRotateView() override;
    void rotateView(RotationType type) override;
    bool isPlaceholder() override;

private:
    friend class base::DeleteHelper<PepperWebPluginImpl>;

    virtual ~PepperWebPluginImpl();
    struct InitData;

    std::unique_ptr<InitData>
        init_data_; // Cleared upon successful initialization.
    // True if the instance represents the entire document in a frame instead of
    // being an embedded resource.
    bool full_frame_;
    std::unique_ptr<PluginInstanceThrottlerImpl> throttler_;
    scoped_refptr<PepperPluginInstanceImpl> instance_;
    gfx::Rect plugin_rect_;
    PP_Var instance_object_;
    blink::WebPluginContainer* container_;

    DISALLOW_COPY_AND_ASSIGN(PepperWebPluginImpl);
};

} // namespace content

#endif // CONTENT_RENDERER_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_
